132891954217 has 16 divisors (see below), whose sum is σ = 147932346240. Its totient is φ = 118366704000.

The previous prime is 132891954187. The next prime is 132891954233. The reversal of 132891954217 is 712459198231.

It is a cyclic number.

It is not a de Polignac number, because 132891954217 - 2⁷ = 132891954089 is a prime.

It is a super-2 number, since 2×132891954217² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132891954287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426742 + ... + 669247.

It is an arithmetic number, because the mean of its divisors is an integer number (9245771640).

Almost surely, 2^132891954217 is an apocalyptic number.

It is an amenable number.

132891954217 is a deficient number, since it is larger than the sum of its proper divisors (15040392023).

132891954217 is a wasteful number, since it uses less digits than its factorization.

132891954217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096224.

The product of its digits is 1088640, while the sum is 52.

The spelling of 132891954217 in words is "one hundred thirty-two billion, eight hundred ninety-one million, nine hundred fifty-four thousand, two hundred seventeen".